Compatible 1U Rack Adapter Bracket safely converts 23" racks to standard 19" mounting, easily fitting server and network equipment ^^ Recessed depth extender provides extra space for rack equipment, enhancing installation flexibility and airflow ^^ Compatible with various servers, switches, routers, and other network devices; supports rack reduction and expansion ^^ Made of high-strength metal, durable and reliable, securely holds equipment for long-term stability and safety. ^^ Easy-to-install rack bracket kit includes all necessary hardware; compatible with rack rails and shelves for professional or home use.